Among animal species that are meat-eating, ____.
a. humans are the only species in which some individuals choose to be vegetarian
b. about 5 of the population of most species choose to be vegetarian
c. about 50 of the population of most species choose to be vegetarian
d. the tendency to follow a mostly vegetarian (rather than meat-eating) diet appears to be largely genetic
Question 2
Research has demonstrated that people are more likely to imitate behaviors if they have seen others rewarded for performing those behaviors, and less likely to imitate behaviors if they have seen others punished for performing those behaviors. This type of learning is known as ____.
a. instrumental learning
b. social learning
c. classical conditioning
d. operant conditioning
Humans are one of the four extant hominid genera.
Animal Cell Key
Eggs, milk, and cheese are complete proteins, because they are animal products.
Animal Extinction
Global list of Threatened Species
Animal Viruses